# ch06 The Book of Ruby - http://www.sapphiresteel.com

DEBUG = true
X = 10
p(Object.constants)
puts(Object.const_get(:RUBY_VERSION))
puts(Object.const_get(:X))
RUBY_VERSION = '1.8.7'
puts(RUBY_VERSION)
RUBY_VERSION = '2.5.6'
X = 'Hello world'
if  DEBUG
  puts(Object.const_get(:RUBY_VERSION))
  puts(Object.const_get(:X))
end
